Module Name: src
Committed By: mrg
Date: Sun Dec 3 21:09:01 UTC 2017
Modified Files:
src/usr.bin/vmstat: vmstat.c
Log Message:
fix the kvm version of counting pool pages for vmstat -s.
To generate a diff of this commit:
cvs rdiff -u -r1.221 -r1.222 src/usr.bin/vmstat/vmstat.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/vmstat/vmstat.c
diff -u src/usr.bin/vmstat/vmstat.c:1.221 src/usr.bin/vmstat/vmstat.c:1.222
--- src/usr.bin/vmstat/vmstat.c:1.221 Sat Dec 2 08:15:43 2017
+++ src/usr.bin/vmstat/vmstat.c Sun Dec 3 21:09:01 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: vmstat.c,v 1.221 2017/12/02 08:15:43 mrg Exp $ */
+/* $NetBSD: vmstat.c,v 1.222 2017/12/03 21:09:01 mrg Exp $ */
/*-
* Copyright (c) 1998, 2000, 2001, 2007 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 19
#if 0
static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 3/1/95";
#else
-__RCSID("$NetBSD: vmstat.c,v 1.221 2017/12/02 08:15:43 mrg Exp $");
+__RCSID("$NetBSD: vmstat.c,v 1.222 2017/12/03 21:09:01 mrg Exp $");
#endif
#endif /* not lint */
@@ -893,8 +893,10 @@ dosum(void)
} else {
struct uvmexp uvmexp_kernel;
struct pool pool, *pp = &pool;
+ struct pool_allocator pa;
TAILQ_HEAD(,pool) pool_head;
void *addr;
+ uint64_t bytes;
kread(namelist, X_UVMEXP, &uvmexp_kernel, sizeof(uvmexp_kernel));
#define COPY(field) uvmexp.field = uvmexp_kernel.field
@@ -963,13 +965,15 @@ dosum(void)
#undef COPY
kread(namelist, X_POOLHEAD, &pool_head, sizeof(pool_head));
addr = TAILQ_FIRST(&pool_head);
+ uvmexp.poolpages = 0;
for (; addr != NULL; addr = TAILQ_NEXT(pp, pr_poollist)) {
deref_kptr(addr, pp, sizeof(*pp), "pool chain trashed");
- /*
- * XXXMRG
- if ((pp->pr_roflags & PR_RECURSIVE) == 0)
- */
- uvmexp.poolpages += pp->pr_npages;
+ deref_kptr(addr, &pa, sizeof(pa), "pool_allocator trashed");
+ // XXX deref pr_alloc first
+ bytes = pp->pr_npages * pa.pa_pagesz;
+ if ((pp->pr_roflags & PR_RECURSIVE) != 0)
+ bytes -= (pp->pr_nout * pp->pr_size);
+ uvmexp.poolpages += bytes / uvmexp.pagesize;
}
}